Abstract:Background Short or long sleep duration is recognized as a potential risk factor for all-cause mortality in the older people, yet the results are not often reproducible.
ObjectivesWe aimed to investigate whether sleep duration was associated with an increased risk of all-cause mortality in the older people through a comprehensive meta-analysis. Methods Literature retrieval, research selection and data extraction were done independently and in duplicate. Effect-size estimates are expressed as odds ratio (OR) an… Show more
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